Home / 4,680,987.30-7,022,027.70-1,486,436.40

Finding the Fourth Proportional to 4,680,987.30, 7,022,027.70 and 1,486,436.40

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Solution

The fourth proportional to 4,680,987.30, 7,022,027.70 and 1,486,436.40 is: 2,229,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,987.30 : 7,022,027.70 = 1,486,436.40 : x
  2. Step 2: Convert to fraction form
    4,680,987.30/7,022,027.70 = 1,486,436.40/x
  3. Step 3: Cross multiply
    4,680,987.30x = 7,022,027.70 × 1,486,436.40
  4. Step 4: Simplify right side
    4,680,987.30x = 10,437,797,575,088.28
  5. Step 5: Solve for x
    x = 10,437,797,575,088.28/4,680,987.30
  6. Step 6: Final answer
    x = 2,229,828.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.